EXPLANATION OF THE PLATES. 



PLATE I. 



Fig. 1. A Fibrous Root. 



Fig. 2. A Creeping Root. 



Fig. 3. A Tapering or Spindle- 

 shaped Root. 



Fig. 4. A Tuberous or Knobbed 

 Root. 



Fig. 5. An Abrupt Root. 



Fig. 6. A Solid Bulbous Root. 



Fig. 7. A Coated Bulbous Root. 



Fig. 8. A Scaly Bulbous Root. 



Fig. 9. A Granulated Root. 



Fig. 10. A Forked or Dichotomous 

 Stem. 



Fig. 11. A Runner. 



Fig. 12. A Clinging Stem. 



Fig. 13. A Twining Stem. 



Fig. 14. A Jointed Stem. 



Fig. 15. A Scaly Stem. 



PLATE II. 



Fig. 16. A Jointed Stem. 



Fig. 17. A Knotted Stem. 



Fig. 18. A Kneed or Geniculate 



Stem. 

 Fig. 19. Scape or Flower-stalk, 



and Radical Leaves. 

 Fig. 20. A Sessile or Sitting Leaf. 

 Fig. 21. A Stalked Leaf. 

 Fig. 22. Alternate Leaves. 

 Fig. 23. Opposite Leaves, which 



are also Cauline. 



Fig. 24. Scattered Leaves; Cauline. 

 Fig. 25. Clustered Leaves. 

 Fig. 26. Whorled Leaves. 

 Fig. 27. Fasciculate or Tufted 



Leaves. 



Fig. 28. Imbricated Leaves. 

 Fig. 29. Decussated Leaves. 



Fig. 30. Embracing Leaf. 

 Fig. 31. Connate Leaves. 

 Fig. 32. Perfoliate Leaf. 



PLATE III. 



Fig. 33. Equitant orRiding Leaves. 



Fig. 34. Decurrent Leaf. 



Fig. 35. Peltate or Shield-shaped 

 Leaf. 



Fig. 36. Egg-shaped, or Ovate 

 Leaf; also Obtuse, and Entire. 



Fig. 37. Oval or Elliptical Leaf. 



Fig. 38. Spathulate Leaf. 



Fig. 39. Wedge-shaped Leaf. 



Fig. 40. Lance-shaped, Spear- 

 shaped or Lanceolate. 



Fig. 41. Linear Leaf. 



Fig. 42. Triangular Leaf. 



Fig. 43. Kidney-shaped Leaf; also 

 Entire. 



Fig. 44. Heart-shaped Leaf. 



Fig. 45. Arrow-shaped Leaf. 



Fig. 46. Halbert-shaped Leaf. 



Fig. 47. Pinnatifid Leaf. 



Fig. 48. Lyre-shaped Leaf. 



Fig. 49. Runcinate Leaf. 



PLATE IV. 



Fig. 50. Pectinate or Comblike 

 Leaf. 



Fig. 51. Cleft Leaf. 



Fig. 52. LobedLeaf. 



Fig. 53. Palmate Leaf. 



Fig. 54. Abrupt Leaf. 



Fig. 55. Retuse Leaf, also Undu- 

 lated or Waved. 



Fig. 56. Notched Leaf. 



Fig. 57. Acute or Pointed Leaf. 



Fig. 58. Acuminate or Taper- 

 pointed Leaf. 



